I have a really strange issue since i updated to Yosemite.
When i wake up my 2012 Mac Pro, the network connection is totally lost.
Output from dmesg (sorry, couldn't copy/paste at this time):
- Nic ...

I am using Microsoft Lync (14.0.8) with Mavericks (10.9.3) on a laptop. When my IP address changes Lync does not reconnect automatically. From time to time I see a big red X icon in the dock but in ...

I have a question about Apple network traffic. In my network program I can see these three domains (GET)
http://init-01md.apple.com/bag
http://init.ess.apple.com/WebObjects/VCInit.woa/wa/getBag?ix=1
...

Yesterday, suddenly my Macbook's WiFi stopped working at school.
I have reason to think that only the 5GHz band is effected. Personal Hotspot connection via my iPhone still works and my Wifi at home ...

This may be a networking question as much as an Apple-specific question; however it's directly related to configuration / behaviour of Apple Remote, so hoping to find an answer here.
My goal: Build a ...

I have this extremely strange and odd thing happening to me.
I have an iMac - mid 2011 model with mavericks installed. It has file sharing setup with SMB disabled so that my MacBook Pro can connect ...

When TWO AirPort Express are on everything works as expected, strong and fast wifi everywhere, music streams fine. But when a THIRD AirPort Express is on, the wifi slows down to about 100k/s
This is ...

I would like to assign a complete block to my mac as described in this question: Can I bind a (large) block of addresses to an interface?
There it is explained that AnyIP is supported for IPv6 by the ...

Apple ii is setup for ethernet with addon card. Link light is green, however I cannot ping google. It's setup for 10 Base T and used to connect just fine. I powered cycled my modem one day, and after ...

I have a Mac Mini, MacBook Pro and Synology DS213 connected to a gigabit switch via cat6 cables. When I enable AFP on the DS213, I get ~60mbpsUP and ~700mbpsDOWN when accessing it from Mac Mini and ...

I'm trying to change the MAC on a USB wifi device. The usual way of doing it does nothing...
sudo ifconfig en4 ether 11:22:33:44:55:66
After doing the command there are no errors, but the MAC stays ...

First of all before anyone asks, I have already set my DNS name in the Terminal with scutil, which is reflected on the Terminal prompt and returned by the hostname command. I also understand that this ...

At work, I've got a new 21.5" iMac. If I leave the machine alone for 20-30 minutes, the wired network will lose it's connection. After I do something on the machine, the network comes back (usually ...

My mid-2011 iMac running Lion 10.7.5 has an intermittent problem. When I resume from sleep in the morning the ethernet fails to come up reliably. Sometimes it starts working immediately, sometimes it ...

currently I am reading more and more about multi-core processing (threading) and parallel computing. So I was curious about how to use my 4-core processor to calculate parallelized algorithms using ...

I have a IPSec/L2TP (PSK) VPN I'm connecting to with OSX's built in client through the System Preferences > Network (in Lion/10.7.2). The VPN gives me an IP of 10.0.1/24, but I need to access servers ...

I currently have an airport express as my router. I've configured it to look to an external dns server. on the inside of my network my machines are told to look to the airport express for dns.
This ...

We are using the following structure in our network:
modem (DHCP server) -> switch -> access point
We bought Airport Time Capsule. We changed our access point with time capsule, but time capsule not ...

I noticed Mavericks prefers the DNS server to /etc/hosts (scutil --dns). There used to be a good 'ol "order hosts,bind". Is there anything equivalent for Mavericks so my hosts file is consulted before ...

I'm trying to write an applescript that reconnects a VPN that gets disconnected (sort of like this one) and I want to test it to see if it works.
One of the key parts of the script is being able to ...

On the ssh man page there is a section called SSH-BASED VIRTUAL PRIVATE NETWORKS which explains how to setup a poor mans VPN with ssh (ssh flag -w). This section is also included in the OSX man page.
...